# -*- coding: utf-8 -*-

def _init():  # 初始化
   global _global_dict
   _global_dict = {}

def set_value(key, value):
   """ 定义一个全局变量 """
   _global_dict[key] = value

def get_value(key, defValue=None):
   """
   获得一个全局变量,不存在则返回默认值
   """
   return _global_dict.get(key, defValue)
